Verb. An aeronautical term that describes the undesired contact of a spinning propellor with the runway surface. excusable in conventional gear aircraft as there is nothing supporting the nose of the airplane, but completely noobish if done in a tricycle gear airplane. propstrikes can costs thousands of dollars to inspect and repair.

Pilot 1: Tom decided not to flare on landing and figured out a way to prop strike a skyhawk
Pilot 2: what a noob